Abstract: A vane pump having an electric drive unit with a drive shaft, a pump chamber, a rotor arranged in the pump chamber so as to rotate about a rotational axis, and a driver that has at least one driver pin and is connected in a rotationally fixed manner to the drive shaft, wherein, in an operating state of the vane pump, the driver pin, by way of a contact surface of the driver pin designed as a section of a lateral surface, engages in a torque-transmitting manner with a contact surface of the rotor delimiting a rotor recess designed to correspond to the driver pin. In order to improve a vane pump, it is proposed that the contact surface of the rotor is designed and arranged in such a manner that the rotational axis lies in the contact surface when this contact surface is hypothetically extended toward the rotational axis.

Abstract: A radial continuous-flow machine with cooling and lubrication by means of a medium flowing through the machine, wherein the medium flows from a high-pressure side to a low-pressure side of the radial continuous-flow machine, having a housing assembly and a rotor assembly that is rotatably mounted in an interior of the housing assembly, wherein at least one first bearing is provided for mounting the rotor assembly in the housing assembly, wherein the rotor assembly includes a rotor of an electric motor and an impeller, wherein the motor includes, in addition to the rotor, a stator that is a part of the housing assembly, wherein the rotor of the motor is arranged in a first region of the rotor assembly, and the stator is arranged in a first region of the housing assembly, wherein the first region of the housing assembly encloses the first region of the rotor assembly.

Abstract: A pump, in particular for a fluid circuit in a vehicle, for example a coolant pump with a multi-part housing which has a pump chamber and a motor chamber, wherein an impeller is disposed in the pump chamber which is driven by a rotor arranged in the motor chamber, and wherein the rotor has a rotor shaft and a rotor body through which the rotor shaft is guided, wherein the rotor has through holes, which interconnect a space of the motor chamber on a first side of the rotor and a space of the motor chamber on a second side of the rotor.

Abstract: A pump, in particular for a fluid circuit in a vehicle, for example a coolant pump with a multi-part housing that has a pump chamber, wherein an impeller is arranged in the pump chamber, wherein the pump chamber is bounded by a pump housing and a further housing part of the multi-part housing, wherein the pump housing and the further housing part each have a flange surface that rest against one another, and wherein one of the two flange surfaces has at least one annular groove and the other of the two flange surfaces has at least one circumferential web which engages in the annular groove.

Abstract: A pump for liquids is provided, comprising a pump chamber in which a bucket wheel is mounted on a bearing so that it can rotate, and an electric motor with a stator and a rotor. The stator has stator laminations and coils, and is coated with plastic in some parts and an electric/electronic activation device. The pump is intended to have a long service life and at the same time require as little installation space as possible. This is achieved by the stator laminations of the stator being at least in part electroplated.

Abstract: A vane pump having an electric drive unit with a drive shaft, a pump chamber, a rotor arranged in the pump chamber so as to rotate about a rotational axis, and a driver that has at least one driver pin and is connected in a rotationally fixed manner to the drive shaft, wherein, in an operating state of the vane pump, the driver pin, by way of a contact surface of the driver pin designed as a section of a lateral surface, engages in a torque-transmitting manner with a contact surface of the rotor delimiting a rotor recess designed to correspond to the driver pin. In order to improve a vane pump, it is proposed that the contact surface of the rotor is designed and arranged in such a manner that the rotational axis lies in the contact surface when this contact surface is hypothetically extended toward the rotational axis.

Abstract: An apparatus for camshaft timing adjustment, having a drive disc and a hub rotationally supported relative to each other and defining a common rotational axis wherein the hub is arranged within the drive disc or vice versa, a vane being accommodated in an adjusting chamber defined by the drive disc and the hub and separating the adjusting chamber into a first sub-chamber and a second sub-chamber, wherein the vane is attached to the hub or the drive disc, a hydraulic pump having a high pressure pump chamber, a low pressure pump chamber and a pump for pumping a hydraulic fluid from the low pressure pump chamber to the high pressure pump chamber, each pump chamber being fluidly connected to the first sub-chamber and the second sub-chamber.

Abstract: A pump device, in particular for a fluid circuit in a motor vehicle, comprising a housing, a drive, a rotor, a stator and a radial bearing, wherein the housing has an inlet, wherein the rotor comprises an impeller wheel, wherein the drive is designed to set the rotor in rotation relative to the stator, wherein the inlet is fluidly connected to the impeller wheel, wherein the rotor has a rotor cavity, wherein a section of the stator projects into the rotor cavity, and wherein the radial bearing is situated in the rotor cavity between the section of the stator and the rotor.

Abstract: A pump, in particular for a fluid circuit in a vehicle, for example a coolant pump with a multi-part housing which has a pump chamber and a motor chamber, wherein an impeller is disposed in the pump chamber which is driven by a rotor arranged in the motor chamber, and wherein the rotor has a rotor shaft and a rotor body through which the rotor shaft is guided, wherein the rotor has through holes, which interconnect a space of the motor chamber on a first side of the rotor and a space of the motor chamber on a second side of the rotor.

Abstract: A pump, in particular for a fluid circuit in a vehicle, for example a coolant pump with a multi-part housing that has a pump chamber, wherein an impeller is arranged in the pump chamber, wherein the pump chamber is bounded by a pump housing and a further housing part of the multi-part housing, wherein the pump housing and the further housing part each have a flange surface that rest against one another, and wherein one of the two flange surfaces has at least one annular groove and the other of the two flange surfaces has at least one circumferential web which engages in the annular groove.

Abstract: A vacuum pump with a primarily cylinder-shaped pump housing is provided. A bowl-shaped sound-absorbing cover is attached on the pump housing and a circumferential gap space for sound absorption is formed between the pump housing and the sound-absorbing cover. The pump housing has an end face in which at least one air outlet opening is arranged. An elastic upstream sound absorber element is arranged between the end face and the sound-absorbing cover so that an upstream chamber is formed therebetween into which the air flows from the air outlet opening. The upstream sound absorber element has a molded projection facing the end face with an air channel passing through the projection. The projection is arranged at a distance from the end face during operation of the vacuum pump. While the vacuum pump is idle, the projection makes contact with the end face through elastic deformation of the upstream sound absorber element, causing the air channel to be closed off and creating a check valve function.

Abstract: An arrangement of an electric vacuum pump, for example, in a vehicle, wherein a mounting element is provided on which the vacuum pump is installed, and wherein the vacuum pump comprises a pump chamber part and a motor part, and wherein a longitudinal axis extends through the pump chamber part and the motor part. According to the invention, the vacuum pump has a horizontal arrangement with respect to a gravitational direction, wherein the installation of the vacuum pump on the mounting element is limited to two mounting points, and wherein a center of gravity of the vacuum pump lies on a connection axis between the two mounting points.

Abstract: An apparatus for camshaft timing adjustment, having a drive disc and a hub rotationally supported relative to each other and defining a common rotational axis wherein the hub is arranged within the drive disc or vice versa, a vane being accommodated in an adjusting chamber defined by the drive disc and the hub and separating the adjusting chamber into a first sub-chamber and a second sub-chamber, wherein the vane is attached to the hub or the drive disc, a hydraulic pump having a high pressure pump chamber, a low pressure pump chamber and a pump for pumping a hydraulic fluid from the low pressure pump chamber to the high pressure pump chamber, each pump chamber being fluidly connected to the first sub-chamber and the second sub-chamber.

Abstract: A pump for liquids is provided, comprising a pump chamber in which a bucket wheel is mounted on a bearing so that it can rotate, and an electric motor with a stator and a rotor. The stator has stator laminations and coils, and is coated with plastic in some parts and an electric/electronic activation device. The pump is intended to have a long service life and at the same time require as little installation space as possible. This is achieved by the stator laminations of the stator being at least in part electroplated.

Abstract: An electric vacuum pump, in particular for arrangement in a vehicle, having an electric motor and a pump part, which can be driven by the electric motor, so that air can be drawn into the pump part from a suction connection and wherein air can be taken out of the pump part out of an outlet connection. A motor flange is provided on which the pump part rests, and the outlet connection is disposed on the motor flange. A receiving space is formed in the motor flange into which space the outlet connection opens, and a rubber-elastic insert part, which has a hollow inner region which communicates with the outlet connection, is accommodated in the receiving space. The insert part has at least one air guide opening via which air can flow from the pump part into the inner region.

Abstract: An arrangement of an electric vacuum pump, for example, in a vehicle, wherein a mounting element is provided on which the vacuum pump is installed, and wherein the vacuum pump comprises a pump chamber part and a motor part, and wherein a longitudinal axis extends through the pump chamber part and the motor part. According to the invention, the vacuum pump has a horizontal arrangement with respect to a gravitational direction, wherein the installation of the vacuum pump on the mounting element is limited to two mounting points, and wherein a center of gravity of the vacuum pump lies on a connection axis between the two mounting points.

Abstract: A vacuum pump with a primarily cylinder-shaped pump housing is provided. A bowl-shaped sound-absorbing cover is attached on the pump housing and a circumferential gap space for sound absorption is formed between the pump housing and the sound-absorbing cover. The pump housing has an end face in which at least one air outlet opening is arranged. An elastic upstream sound absorber element is arranged between the end face and the sound-absorbing cover so that an upstream chamber is formed therebetween into which the air flows from the air outlet opening. The upstream sound absorber element has a molded projection facing the end face with an air channel passing through the projection. The projection is arranged at a distance from the end face during operation of the vacuum pump. While the vacuum pump is idle, the projection makes contact with the end face through elastic deformation of the upstream sound absorber element, causing the air channel to be closed off and creating a check valve function.

Abstract: An electric vacuum pump, in particular for arrangement in a vehicle, having an electric motor and a pump part, which can be driven by the electric motor, so that air can be drawn into the pump part from a suction connection and wherein air can be taken out of the pump part out of an outlet connection. A motor flange is provided on which the pump part rests, and the outlet connection is disposed on the motor flange. A receiving space is formed in the motor flange into which space the outlet connection opens, and a rubber-elastic insert part, which has a hollow inner region which communicates with the outlet connection, is accommodated in the receiving space. The insert part has at least one air guide opening via which air can flow from the pump part into the inner region.

Abstract: A vane pump with a pump housing in which a cam ring is constructed or arranged, and wherein a rotor is provided that is mounted in the cam ring so that it can rotate about a rotational axis , wherein the cam ring has an inner contour with a variable radius that varies between a maximum radius and a minimum radius in the circumferential direction about the rotational axis , wherein, in the radial gap between the inner contour and the rotor , a number of lift sections is constructed with pump chambers constructed in these sections, and wherein vane elements are mounted on the rotor , wherein these elements slide against the inner contour of the cam ring and limit the pump chambers in the circumferential direction. According to the invention, the radius of the inner contour varies about the rotational axis according to the function: r=r0+a·sin(n·?), where r0=(rmax+rmin)/2, a =(rmax?rmin)/2, and ?=phase angle of the radius (r) between (rmin) and (rmax) in the direction of rotation of the rotor .

Abstract: A pump includes a pump chamber in which a rotor with gates is supported so that it can rotate, an electric motor for driving the rotor, an outlet, and an inlet port that is fastened to a mounting plate and is in active connection with an inlet channel. The pump should be improved so that its service life and reliability are improved with minimal installation complexity in a vehicle, wherein intense cleaning of lines and devices connected on the suction side can be eliminated. This is achieved in that a filter is arranged in the area of the inlet channel between the mounting plate and the pump chamber.